[llvm-branch-commits] [clang] [clang] Define ptrauth_string_discriminator builtin. (PR #93903)

[Daniil Kovalev via llvm-branch-commits]

================
@@ -2156,6 +2156,24 @@ static ExprResult PointerAuthAuthAndResign(Sema &S, 
CallExpr *Call) {
   return Call;
 }
 
+static ExprResult PointerAuthStringDiscriminator(Sema &S, CallExpr *call) {
+  if (checkPointerAuthEnabled(S, call)) return ExprError();
+
+  // We've already performed normal call type-checking.
+  Expr *arg = call->getArgs()[0]->IgnoreParenImpCasts();
----------------
kovdan01 wrote:

```suggestion
  const Expr *arg = call->getArgs()[0]->IgnoreParenImpCasts();
```

https://github.com/llvm/llvm-project/pull/93903
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